The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 1989
Filed:
Jul. 29, 1987
Applicant:
Inventor:
Donald J Rotier, St. Paul, MN (US);
Assignee:
Honeywell, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350174 ; 350-37 ; 350-372 ; 350172 ;
Abstract
A helmet mounted display in which a filter receives rays of light at various angles of incidence from an image to be superimposed on the scene being viewed by the operator and reflects these rays to a second surface where the rays are re-reflected through the filter and to the eye of the observer characterized in that the filter is coated in such a manner that it reflects from each position on its surface rays from the image that strike at predetermined angles of incidence but which transmits at each position rays which are received from the second surface.